these 2 derivations will be built: /nix/store/rx91x4x48ds97zvns43v2k78bgrxnp4d-flake-inputs.drv /nix/store/9y1s0zfjbgnhf45j4qlyhwdglkflmb86-check-flake-inputs.drv building '/nix/store/rx91x4x48ds97zvns43v2k78bgrxnp4d-flake-inputs.drv' building '/nix/store/9y1s0zfjbgnhf45j4qlyhwdglkflmb86-check-flake-inputs.drv' upload niks3: ok